how to configure apache to view hidden (`.`) files?

How do I make a directory listing in apache show the ./hidden files? I tried both

    <Directory /var/www/*>
            Options Indexes FollowSymLinks MultiViews
            AllowOverride None
            Order allow,deny
            allow from all
    </Directory>

and

    <Directory /var/www/>
            Options Indexes FollowSymLinks MultiViews
            AllowOverride None
            Order allow,deny
            allow from all
    </Directory>

but neither show the hidden files

Solution 1:

Somewhere you have an IndexIgnore directive (mods-enabled/autoindex.conf?) that adds dotfiles to the list of files to ignore (mine has .??*) . Once a pattern has been added to the ignore list, it can't be removed.

Solution 2:

To amend DerfK's answer: in apache version 2.4 you can, in fact, reset IndexIgnore via a new directive, IndexIgnoreReset